<div class="modal-header">

    <h4 class="modal-title" id="myModalLabel">模态框（Modal）标题</h4>
    <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
</div>
<div class="modal-body"></div>
<div class="modal-footer">
    <button type="button" class="btn btn-default" data-dismiss="modal">关闭</button>
    <button type="button" class="btn btn-primary">提交更改</button>
</div>